| Patents for G08C 23 - Non-electric signal transmission systems, e.g. optical systems (9,931) |
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| 05/28/1991 | US5020154 Transmission link |
| 05/28/1991 | US5019814 Wireless data coupling system and method |
| 05/21/1991 | US5016961 Optical apparatus for electrically inter-coupling rotating and stationary devices |
| 05/16/1991 | DE3937572A1 CNC measurement signal transmitter - uses fibre=optic link to distant processing unit, where signal contains information about value and direction changes |
| 05/14/1991 | CA1284209C Transmission having one central seismic data recording device, for signalsemitted by a set of probes |
| 05/08/1991 | DE4034193A1 Arrangement for display of product and price data - uses electronic scales connected by infrared transceived to display devices and central processor |
| 05/08/1991 | DE4034154A1 Stored data transmission for processing system - has central computer with infra red transmitter receiver communicating with distributed displays |
| 05/08/1991 | DE3936570A1 Electronic input shutter for optical remote control - has opto-reflex light barriers on circuit board behind shutter with transmit and receiver components |
| 05/07/1991 | USH911 Fiber optic link for detecting mechanical vibration in the presence of an electromagnetic field |
| 04/30/1991 | US5012223 Sound activated device and method |
| 04/24/1991 | EP0412989A4 Long distance remote control |
| 04/17/1991 | EP0250545B1 Optical data collection apparatus and method |
| 04/16/1991 | US5008662 Remote supervisory and controlling machine |
| 04/03/1991 | EP0419716A1 Contactless transmitting method for physical quantities measured in a rotating component |
| 03/21/1991 | WO1991003912A1 Digital acoustic switch |
| 03/20/1991 | EP0417848A1 Polarimetric fibre-optic sensor |
| 03/05/1991 | WO1991003756A1 Remote end detection |
| 02/26/1991 | US4996419 Distributed multiplexed optical fiber Bragg grating sensor arrangeement |
| 02/21/1991 | DE3927212A1 IR or ultrasonic remote control unit - has solar cell generator whose cells and OFF key are fitted to housing underside |
| 02/20/1991 | EP0412989A1 Long distance remote control. |
| 02/12/1991 | US4992988 Underwater acoustic control system |
| 01/22/1991 | US4987297 Method and apparatus for automatically reading a mechanical fluid meter |
| 01/22/1991 | US4986672 Radiation thermometer |
| 01/22/1991 | CA1279372C Non-electronic gain control |
| 01/01/1991 | US4982101 Fiberglass collar for data transfer from rotatable shaft |
| 12/18/1990 | US4978857 Optical data system having flash/receiver head for energizing/receiving information from a battery operated transmitter |
| 12/12/1990 | EP0402185A1 Sensor network connected to a remote supplying, monitoring and processing central station |
| 12/11/1990 | US4977404 Remote control transmitter for emitting control commands |
| 12/04/1990 | CA1277404C Apparatus comprising raman-active optical fiber |
| 11/29/1990 | WO1990014650A1 System for transmitting and receiving remote control signals |
| 11/22/1990 | DE4009658A1 Fernsteuerbares leistungsstellsystem A remotely controllable power adjustment system |
| 11/15/1990 | WO1990013954A1 Infrared remote control system |
| 11/06/1990 | US4968978 Long range multiple point wireless control and monitoring system |
| 10/24/1990 | EP0393470A1 Transmission link |
| 10/20/1990 | CA2014772A1 Transmission link |
| 10/16/1990 | US4963729 Optically powered sensor system with improved signal conditioning |
| 10/09/1990 | US4962495 Apparatus and method for transmitting condition data from a rotating member to a stationary device |
| 10/03/1990 | EP0390041A2 Remote-control apparatus for electronics apparatus |
| 09/26/1990 | EP0388792A1 Transmission device |
| 09/25/1990 | US4959810 Universal remote control device |
| 09/20/1990 | WO1990010921A1 A method for detecting external influence on an optical cable |
| 09/20/1990 | WO1990010883A1 A method to use an optical fibre as a sensor |
| 09/20/1990 | DE3908075A1 Device for intrinsically safe DC-isolated signal transmission in shearer loaders |
| 09/18/1990 | CA2012408A1 A transmission system |
| 09/12/1990 | EP0386965A1 Optically powered sensor arrangements |
| 09/07/1990 | WO1990010140A1 Device for manipulation control of a movable object |
| 09/06/1990 | DE3907033A1 Device for measuring and transmitting pressure and temperature values in the area subject/not subject to explosion hazards |
| 09/03/1990 | CA2011509A1 Optically powered sensor arrangements |
| 08/01/1990 | EP0380395A1 Method for the sequential optical surveillance of an installation with a constant output signal |
| 07/18/1990 | CN1044002A Electrooptical arrangement for remotely controlling electronic apparatus |
| 07/11/1990 | EP0377481A2 Apparatus for controlling rotational speed by optical data collection |
| 07/11/1990 | EP0377055A1 Electro-optical arrangement for the remote control of electronic apparatuses |
| 06/20/1990 | EP0373407A1 Remote control device for the transmission of commands |
| 06/19/1990 | US4935619 Wireless remote-control system for electronic apparatus |
| 06/13/1990 | CN1008406B Arrangement for wireless signal transmission from a rotating body to a stationary receiving station |
| 06/05/1990 | US4931790 Digital remote control method |
| 05/22/1990 | US4928088 Apparatus for extracting recorded information from a logging tool |
| 05/16/1990 | EP0368461A2 Fibreglass collar for data transfer from rotatable shaft |
| 05/16/1990 | CN1042214A Long range multiple point wireless control and monitoring system |
| 05/02/1990 | CN1007844B Process and apparatus for control and for supervision of an industrial installation by transmission of information and of commands by optical means |
| 04/24/1990 | US4918982 Device for measuring and transmitting the combustion radiation in the combustion chamber of combustion engines |
| 04/10/1990 | US4916689 Communications apparatus for encoding and decoding multiplexed optical signal |
| 04/04/1990 | EP0361585A2 Data setting system for terminal units in remote supervisory and controlling system employing multiplex data transmission |
| 03/21/1990 | EP0260165B1 Process and apparatus for initiating data acquisition devices, in particular those for seismic data |
| 03/20/1990 | US4910408 Fiberglass collar for data transfer from rotatable shaft |
| 03/14/1990 | EP0357909A1 Remote control electrical device |
| 02/27/1990 | US4905205 Method for transmitting to a central recording device seismic data collected by acquisition apparatus distributed over the ground and a device for implementing same |
| 02/06/1990 | US4899044 Optically coupled remote sensor apparatus and system |
| 01/30/1990 | US4897883 Infrared remote control apparatus |
| 01/30/1990 | US4897821 Method and device for initializing data, and particularly seismic data, acquisition apparatus |
| 12/13/1989 | CN1038002A Wireless remote-control system for electronic apparatus |
| 12/12/1989 | US4887312 Method and apparatus for transmission of optical data between two electrically separated transmitting receiving units |
| 11/30/1989 | DE3831851C1 Method for measuring a physical variable by means of an optical sensor, and an arrangement for carrying out the method |
| 11/30/1989 | DE3817621A1 Remote control system with a battery-fed or accumulator-fed remote control unit |
| 11/23/1989 | EP0342202A1 Radiation thermometer |
| 11/22/1989 | CN1037393A Optically coupled remote sensor apparatus and system |
| 11/16/1989 | WO1989011137A1 Long distance remote control |
| 11/15/1989 | EP0342146A2 Electricity meter with remote communications |
| 11/14/1989 | US4880972 Fiber-optic measuring apparatus using luminescent material |
| 11/09/1989 | DE3912502A1 Method and device for transmitting control data in a multi-station system |
| 11/08/1989 | EP0340343A1 Wireless remote control system of electronic sets |
| 11/02/1989 | EP0339334A2 Optically coupled remote sensor apparatus and system |
| 10/18/1989 | EP0337671A2 Signal transmission system for machine tools, inspection machines, and the like |
| 10/18/1989 | EP0337670A2 Signal transmission system for machine tools, inspection machines, and the like |
| 10/18/1989 | EP0337669A2 Signal transmission system for machine tools, inspection machines, and the like |
| 09/26/1989 | CA1261394A1 Remote metering |
| 09/26/1989 | CA1261024A1 Arrangement for wireless signal transmission from a rotating body to a stationary receiving station |
| 09/20/1989 | EP0333575A1 Process and device for the automatic reading of a fluid meter provided with a roller counting mechanism |
| 09/19/1989 | US4868893 System for remote, interactive communication with a metal under ambient sunlight conditions |
| 09/19/1989 | US4867565 Opto-electronic detection device for remotely detecting a physical magnitude |
| 09/14/1989 | DE3806493A1 Bus system |
| 09/12/1989 | US4866436 Device for transmitting measurement values of a sensor |
| 09/05/1989 | US4864648 Method of transmitting a group at least two measured values through an optical transmission path |
| 09/05/1989 | US4864647 Wireless infrared remote control extender |
| 09/05/1989 | US4864489 Field instrumentation system |
| 08/29/1989 | CA1258927A1 Fiber optic multiplexed data acquisition system |
| 08/17/1989 | DE3803541A1 Receiver unit, for example for a motor vehicle |
| 08/02/1989 | EP0325917A2 Apparatus for measuring and transmitting the combustion radiation in the combustion chamber of combustion engines |
| 07/25/1989 | US4850698 Method of determining measuring data on an optical transmission path by means of optical sensor |
| 07/18/1989 | US4850040 Infrared remote control system for activating and deactivating one or more devices in a single enclosed space |